Device Guides
Samsung Galaxy S III
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How to
Turning my mobile phone on and off
Follow these easy instructions to turn your mobile phone on and off. Remember you need to insert your SIM into your mobile phone before you turn it on.
List view
1. Turn on your mobile phone
Tap On/Off until your mobile phone is turned on.
Slide your finger upwards to turn off the key lock.
Slide your finger upwards to turn off the key lock.
2. Enter PIN
If required, key in your PIN and tap OK.
If your SIM is rejected:
Contact your mobile phone store or your service provider.
If your SIM is rejected:
Contact your mobile phone store or your service provider.
The PIN is used to protect your SIM from unauthorised use. See how you change your PIN.
3. Turn off your mobile phone
Tap and hold On/Off.
Tap Power off.
Tap OK.
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